“[Keep Talking] has its root among American anti-Semites who spread the story that the ‘Jews’ were behind the 9/11 attacks.

“They put out the line that Jews employed in the Twin Towers were secretly ordered by the people behind the attack that they should not go to work on the day of the attacks … It was obviously easily disproved,” he said, according to the Jewish News.

Anti-Semitism is rising faster in the UK than anywhere else in the world, according to a report in April by Kantor Center researchers at Tel-Aviv University.

Anti-Semitic incidents rose by 11 percent in the past year, mainly fueled by online and social media abuse.